/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_19-call_by_ptr_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 04:45:14,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 04:45:14,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 04:45:14,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-04 04:45:14,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 04:45:14,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 04:45:14,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 04:45:14,796 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-04 04:45:14,823 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 04:45:14,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 04:45:14,825 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 04:45:14,825 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 04:45:14,825 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 04:45:14,825 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 04:45:14,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 04:45:14,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 04:45:14,826 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 04:45:14,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 04:45:14,827 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 04:45:14,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 04:45:14,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 04:45:14,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 04:45:14,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 04:45:14,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 04:45:14,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 04:45:14,827 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 04:45:14,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 04:45:14,827 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 04:45:14,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 04:45:14,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 04:45:14,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 04:45:14,828 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 04:45:14,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 04:45:14,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 04:45:14,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 04:45:14,828 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 04:45:14,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 04:45:14,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 04:45:14,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 04:45:14,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 04:45:14,829 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 04:45:14,829 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 04:45:14,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 04:45:14,829 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 04:45:14,829 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 04:45:14,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-04 04:45:15,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 04:45:15,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 04:45:15,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 04:45:15,029 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-04 04:45:15,030 INFO L275 PluginConnector]: CDTParser initialized [2022-03-04 04:45:15,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_19-call_by_ptr_rc.i [2022-03-04 04:45:15,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e0b6eca6/dd8c029f4342433ba74fb0420358cba7/FLAG993e9994e [2022-03-04 04:45:15,429 INFO L306 CDTParser]: Found 1 translation units. [2022-03-04 04:45:15,430 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_19-call_by_ptr_rc.i [2022-03-04 04:45:15,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e0b6eca6/dd8c029f4342433ba74fb0420358cba7/FLAG993e9994e [2022-03-04 04:45:15,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e0b6eca6/dd8c029f4342433ba74fb0420358cba7 [2022-03-04 04:45:15,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 04:45:15,842 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-04 04:45:15,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-04 04:45:15,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-04 04:45:15,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-04 04:45:15,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:45:15" (1/1) ... [2022-03-04 04:45:15,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@480912fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:45:15, skipping insertion in model container [2022-03-04 04:45:15,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:45:15" (1/1) ... [2022-03-04 04:45:15,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-04 04:45:15,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-04 04:45:16,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 04:45:16,193 INFO L203 MainTranslator]: Completed pre-run [2022-03-04 04:45:16,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 04:45:16,253 INFO L208 MainTranslator]: Completed translation [2022-03-04 04:45:16,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:45:16 WrapperNode [2022-03-04 04:45:16,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-04 04:45:16,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 04:45:16,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 04:45:16,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 04:45:16,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:45:16" (1/1) ... [2022-03-04 04:45:16,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:45:16" (1/1) ... [2022-03-04 04:45:16,305 INFO L137 Inliner]: procedures = 166, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2022-03-04 04:45:16,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 04:45:16,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 04:45:16,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 04:45:16,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 04:45:16,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:45:16" (1/1) ... [2022-03-04 04:45:16,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:45:16" (1/1) ... [2022-03-04 04:45:16,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:45:16" (1/1) ... [2022-03-04 04:45:16,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:45:16" (1/1) ... [2022-03-04 04:45:16,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:45:16" (1/1) ... [2022-03-04 04:45:16,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:45:16" (1/1) ... [2022-03-04 04:45:16,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:45:16" (1/1) ... [2022-03-04 04:45:16,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 04:45:16,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 04:45:16,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 04:45:16,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 04:45:16,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:45:16" (1/1) ... [2022-03-04 04:45:16,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 04:45:16,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:45:16,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 04:45:16,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 04:45:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-04 04:45:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-04 04:45:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-04 04:45:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-04 04:45:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-04 04:45:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-04 04:45:16,402 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-04 04:45:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-04 04:45:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-04 04:45:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 04:45:16,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 04:45:16,404 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 04:45:16,518 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 04:45:16,520 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 04:45:16,692 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 04:45:16,697 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 04:45:16,697 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-04 04:45:16,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 04:45:16 BoogieIcfgContainer [2022-03-04 04:45:16,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 04:45:16,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 04:45:16,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 04:45:16,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 04:45:16,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 04:45:15" (1/3) ... [2022-03-04 04:45:16,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@865a988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:45:16, skipping insertion in model container [2022-03-04 04:45:16,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:45:16" (2/3) ... [2022-03-04 04:45:16,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@865a988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:45:16, skipping insertion in model container [2022-03-04 04:45:16,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 04:45:16" (3/3) ... [2022-03-04 04:45:16,706 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_19-call_by_ptr_rc.i [2022-03-04 04:45:16,709 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 04:45:16,709 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 04:45:16,709 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-03-04 04:45:16,709 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 04:45:16,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,744 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,744 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,744 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,744 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,754 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,755 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:45:16,760 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-04 04:45:16,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 04:45:16,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:45:16,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 04:45:16,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 04:45:16,825 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 04:45:16,830 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-04 04:45:16,830 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-03-04 04:45:16,877 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 61 transitions and produced 62 states. [2022-03-04 04:45:16,879 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-04 04:45:16,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:45:16,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1979227599, now seen corresponding path program 1 times [2022-03-04 04:45:16,890 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:45:16,890 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537472731] [2022-03-04 04:45:16,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:45:16,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:45:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:45:17,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:45:17,068 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:45:17,068 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537472731] [2022-03-04 04:45:17,069 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537472731] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:45:17,069 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:45:17,069 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 04:45:17,070 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872188870] [2022-03-04 04:45:17,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:45:17,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-04 04:45:17,074 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:45:17,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-04 04:45:17,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-04 04:45:17,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:17,096 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:45:17,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:45:17,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:17,110 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 61 transitions and produced 62 states. [2022-03-04 04:45:17,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:17,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 04:45:17,111 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-04 04:45:17,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:45:17,112 INFO L85 PathProgramCache]: Analyzing trace with hash -572929362, now seen corresponding path program 1 times [2022-03-04 04:45:17,112 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:45:17,113 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716796094] [2022-03-04 04:45:17,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:45:17,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:45:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:45:17,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:45:17,209 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:45:17,209 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716796094] [2022-03-04 04:45:17,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716796094] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:45:17,210 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:45:17,210 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 04:45:17,210 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872958797] [2022-03-04 04:45:17,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:45:17,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 04:45:17,212 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:45:17,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 04:45:17,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 04:45:17,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:17,216 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:45:17,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:45:17,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:17,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:17,248 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 76 transitions and produced 77 states. [2022-03-04 04:45:17,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:17,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:17,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-04 04:45:17,250 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-04 04:45:17,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:45:17,250 INFO L85 PathProgramCache]: Analyzing trace with hash -194307708, now seen corresponding path program 1 times [2022-03-04 04:45:17,250 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:45:17,251 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772068645] [2022-03-04 04:45:17,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:45:17,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:45:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:45:17,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:45:17,322 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:45:17,322 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772068645] [2022-03-04 04:45:17,322 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772068645] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:45:17,322 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:45:17,322 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 04:45:17,322 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362649854] [2022-03-04 04:45:17,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:45:17,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 04:45:17,323 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:45:17,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 04:45:17,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 04:45:17,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:17,324 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:45:17,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:45:17,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:17,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:17,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:17,350 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 85 transitions and produced 86 states. [2022-03-04 04:45:17,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:17,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:17,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:17,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-04 04:45:17,351 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-04 04:45:17,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:45:17,352 INFO L85 PathProgramCache]: Analyzing trace with hash 784528596, now seen corresponding path program 1 times [2022-03-04 04:45:17,352 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:45:17,352 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473874137] [2022-03-04 04:45:17,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:45:17,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:45:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:45:17,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:45:17,387 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:45:17,387 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473874137] [2022-03-04 04:45:17,387 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473874137] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:45:17,387 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:45:17,388 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 04:45:17,388 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900671070] [2022-03-04 04:45:17,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:45:17,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 04:45:17,388 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:45:17,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 04:45:17,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 04:45:17,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:17,389 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:45:17,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:45:17,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:17,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:17,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:17,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:17,433 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 134 transitions and produced 135 states. [2022-03-04 04:45:17,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:17,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:17,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:17,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:17,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-04 04:45:17,434 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-04 04:45:17,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:45:17,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1728445802, now seen corresponding path program 1 times [2022-03-04 04:45:17,435 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:45:17,435 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961515366] [2022-03-04 04:45:17,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:45:17,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:45:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:45:17,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:45:17,511 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:45:17,511 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961515366] [2022-03-04 04:45:17,511 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961515366] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:45:17,511 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444753812] [2022-03-04 04:45:17,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:45:17,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:45:17,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:45:17,513 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:45:17,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 04:45:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:45:17,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-04 04:45:17,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:45:17,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:45:17,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:45:17,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:45:17,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444753812] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:45:17,985 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:45:17,985 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-04 04:45:17,985 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073879385] [2022-03-04 04:45:17,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:45:17,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-04 04:45:17,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:45:17,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-04 04:45:17,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-04 04:45:17,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:17,986 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:45:17,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.7) internal successors, (147), 10 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:45:17,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:17,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:17,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:17,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:17,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:18,061 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 280 transitions and produced 281 states. [2022-03-04 04:45:18,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:18,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:18,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:18,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:18,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:45:18,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 04:45:18,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:45:18,276 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-04 04:45:18,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:45:18,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1265040282, now seen corresponding path program 2 times [2022-03-04 04:45:18,276 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:45:18,276 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385072994] [2022-03-04 04:45:18,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:45:18,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:45:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:45:18,407 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:45:18,408 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:45:18,409 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385072994] [2022-03-04 04:45:18,409 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385072994] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:45:18,410 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753142229] [2022-03-04 04:45:18,410 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 04:45:18,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:45:18,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:45:18,411 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:45:18,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 04:45:18,528 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-04 04:45:18,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 04:45:18,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 19 conjunts are in the unsatisfiable core [2022-03-04 04:45:18,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:45:18,795 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-04 04:45:18,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 04:45:18,818 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-04 04:45:18,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 04:45:18,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 04:45:18,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 04:45:18,849 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 04:45:18,849 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-03-04 04:45:18,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 04:45:18,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 04:45:18,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 04:45:18,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 04:45:18,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 04:45:18,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 04:45:18,892 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 04:45:18,892 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2022-03-04 04:45:18,912 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-03-04 04:45:18,912 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-04 04:45:18,913 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753142229] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:45:18,913 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-04 04:45:18,913 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2022-03-04 04:45:18,913 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985535272] [2022-03-04 04:45:18,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:45:18,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-04 04:45:18,914 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:45:18,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-04 04:45:18,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2022-03-04 04:45:18,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:18,914 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:45:18,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:45:18,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:18,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:18,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:18,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:18,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:45:18,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:18,948 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 290 transitions and produced 291 states. [2022-03-04 04:45:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:45:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:45:18,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 04:45:19,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:45:19,168 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-04 04:45:19,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:45:19,168 INFO L85 PathProgramCache]: Analyzing trace with hash -293468510, now seen corresponding path program 1 times [2022-03-04 04:45:19,168 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:45:19,168 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005933244] [2022-03-04 04:45:19,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:45:19,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:45:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:45:19,219 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-03-04 04:45:19,220 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:45:19,220 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005933244] [2022-03-04 04:45:19,220 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005933244] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:45:19,220 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:45:19,220 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 04:45:19,220 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604426059] [2022-03-04 04:45:19,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:45:19,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 04:45:19,221 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:45:19,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 04:45:19,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 04:45:19,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:19,221 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:45:19,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 43.0) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:45:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:45:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:45:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:21,232 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 72568 transitions and produced 43818 states. [2022-03-04 04:45:21,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:21,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:21,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:21,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:21,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:45:21,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:45:21,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:21,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-04 04:45:21,233 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-04 04:45:21,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:45:21,234 INFO L85 PathProgramCache]: Analyzing trace with hash 298773818, now seen corresponding path program 1 times [2022-03-04 04:45:21,234 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:45:21,234 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337101535] [2022-03-04 04:45:21,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:45:21,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:45:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:45:30,442 INFO L134 CoverageAnalysis]: Checked inductivity of 108205 backedges. 105610 proven. 2595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:45:30,443 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:45:30,443 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337101535] [2022-03-04 04:45:30,443 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337101535] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:45:30,443 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095089512] [2022-03-04 04:45:30,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:45:30,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:45:30,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:45:30,444 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:45:30,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 04:45:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:45:31,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 5006 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-04 04:45:31,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:45:34,014 INFO L134 CoverageAnalysis]: Checked inductivity of 108205 backedges. 25493 proven. 0 refuted. 0 times theorem prover too weak. 82712 trivial. 0 not checked. [2022-03-04 04:45:34,014 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-04 04:45:34,014 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095089512] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:45:34,015 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-04 04:45:34,015 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [169] total 171 [2022-03-04 04:45:34,015 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651993463] [2022-03-04 04:45:34,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:45:34,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-04 04:45:34,017 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:45:34,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-04 04:45:34,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7230, Invalid=21840, Unknown=0, NotChecked=0, Total=29070 [2022-03-04 04:45:34,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:34,025 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:45:34,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 18.130434782608695) internal successors, (417), 23 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:45:34,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:34,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:34,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:34,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:34,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:45:34,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:45:34,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:34,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:34,355 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3698 transitions and produced 2364 states. [2022-03-04 04:45:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:45:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:45:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:45:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:45:34,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 04:45:34,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 04:45:34,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:45:34,570 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-04 04:45:34,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:45:34,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1103686166, now seen corresponding path program 1 times [2022-03-04 04:45:34,570 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:45:34,570 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341875323] [2022-03-04 04:45:34,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:45:34,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:45:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-04 04:45:34,628 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-04 04:45:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-04 04:45:34,745 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-04 04:45:34,745 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-04 04:45:34,746 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-03-04 04:45:34,749 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-03-04 04:45:34,749 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-03-04 04:45:34,749 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 8 remaining) [2022-03-04 04:45:34,749 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-03-04 04:45:34,749 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-03-04 04:45:34,749 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-03-04 04:45:34,750 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-03-04 04:45:34,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-04 04:45:34,754 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2022-03-04 04:45:34,758 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 04:45:34,759 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 04:45:34,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 04:45:34 BasicIcfg [2022-03-04 04:45:34,853 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 04:45:34,853 INFO L158 Benchmark]: Toolchain (without parser) took 19011.50ms. Allocated memory was 255.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 200.3MB in the beginning and 1.1GB in the end (delta: -924.7MB). Peak memory consumption was 544.5MB. Max. memory is 8.0GB. [2022-03-04 04:45:34,853 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 255.9MB. Free memory is still 217.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 04:45:34,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.74ms. Allocated memory was 255.9MB in the beginning and 369.1MB in the end (delta: 113.2MB). Free memory was 200.2MB in the beginning and 331.4MB in the end (delta: -131.2MB). Peak memory consumption was 17.4MB. Max. memory is 8.0GB. [2022-03-04 04:45:34,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.57ms. Allocated memory is still 369.1MB. Free memory was 331.4MB in the beginning and 329.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-04 04:45:34,854 INFO L158 Benchmark]: Boogie Preprocessor took 27.11ms. Allocated memory is still 369.1MB. Free memory was 329.3MB in the beginning and 327.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-04 04:45:34,854 INFO L158 Benchmark]: RCFGBuilder took 364.27ms. Allocated memory is still 369.1MB. Free memory was 327.7MB in the beginning and 314.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-04 04:45:34,854 INFO L158 Benchmark]: TraceAbstraction took 18153.38ms. Allocated memory was 369.1MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 314.1MB in the beginning and 1.1GB in the end (delta: -810.9MB). Peak memory consumption was 544.9MB. Max. memory is 8.0GB. [2022-03-04 04:45:34,861 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 255.9MB. Free memory is still 217.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 409.74ms. Allocated memory was 255.9MB in the beginning and 369.1MB in the end (delta: 113.2MB). Free memory was 200.2MB in the beginning and 331.4MB in the end (delta: -131.2MB). Peak memory consumption was 17.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.57ms. Allocated memory is still 369.1MB. Free memory was 331.4MB in the beginning and 329.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.11ms. Allocated memory is still 369.1MB. Free memory was 329.3MB in the beginning and 327.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 364.27ms. Allocated memory is still 369.1MB. Free memory was 327.7MB in the beginning and 314.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 18153.38ms. Allocated memory was 369.1MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 314.1MB in the beginning and 1.1GB in the end (delta: -810.9MB). Peak memory consumption was 544.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 697]: Data race detected Data race detected The following path leads to a data race: [L686] 0 int glob; VAL [glob=0] [L687] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, mutex1={1:0}] [L688] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, mutex1={1:0}, mutex2={2:0}] [L702] 0 pthread_t id; VAL [glob=0, id={3:0}, mutex1={1:0}, mutex2={2:0}] [L703] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, id={3:0}, mutex1={1:0}, mutex2={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L704] CALL 0 foo(bar) [L681] 0 int i = 0; VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=0, i=0, mutex1={1:0}, mutex2={2:0}] [L681] COND TRUE 0 i < 10 VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=0, i=0, mutex1={1:0}, mutex2={2:0}] [L682] COND TRUE 0 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, arg={0:0}, callback={-1:1}, callback={-1:1}, glob=0, i=0, mutex1={1:0}, mutex2={2:0}] [L683] CALL 0 callback() [L697] EXPR 0 glob+1 VAL [arg={0:0}, glob=0, mutex1={1:0}, mutex2={2:0}] [L697] 0 glob=glob+1 VAL [arg={0:0}, glob=1, mutex1={1:0}, mutex2={2:0}] [L699] 0 return 0; VAL [\result=0, arg={0:0}, glob=1, mutex1={1:0}, mutex2={2:0}] [L683] RET 0 callback() [L681] 0 i++ VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=1, i=1, mutex1={1:0}, mutex2={2:0}] [L681] COND TRUE 0 i < 10 VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=1, i=1, mutex1={1:0}, mutex2={2:0}] [L682] COND TRUE 0 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, arg={0:0}, callback={-1:1}, callback={-1:1}, glob=1, i=1, mutex1={1:0}, mutex2={2:0}] [L683] CALL 0 callback() [L697] EXPR 0 glob+1 VAL [arg={0:0}, glob=1, mutex1={1:0}, mutex2={2:0}] [L697] 0 glob=glob+1 VAL [arg={0:0}, glob=2, mutex1={1:0}, mutex2={2:0}] [L699] 0 return 0; VAL [\result=0, arg={0:0}, glob=2, mutex1={1:0}, mutex2={2:0}] [L683] RET 0 callback() [L681] 0 i++ VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=2, i=2, mutex1={1:0}, mutex2={2:0}] [L681] COND TRUE 0 i < 10 VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=2, i=2, mutex1={1:0}, mutex2={2:0}] [L682] COND TRUE 0 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, arg={0:0}, callback={-1:1}, callback={-1:1}, glob=2, i=2, mutex1={1:0}, mutex2={2:0}] [L683] CALL 0 callback() [L697] EXPR 0 glob+1 VAL [arg={0:0}, glob=2, mutex1={1:0}, mutex2={2:0}] [L697] 0 glob=glob+1 VAL [arg={0:0}, glob=3, mutex1={1:0}, mutex2={2:0}] [L699] 0 return 0; VAL [\result=0, arg={0:0}, glob=3, mutex1={1:0}, mutex2={2:0}] [L683] RET 0 callback() [L681] 0 i++ VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=3, i=3, mutex1={1:0}, mutex2={2:0}] [L681] COND TRUE 0 i < 10 VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=3, i=3, mutex1={1:0}, mutex2={2:0}] [L682] COND TRUE 0 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, arg={0:0}, callback={-1:1}, callback={-1:1}, glob=3, i=3, mutex1={1:0}, mutex2={2:0}] [L683] CALL 0 callback() [L697] EXPR 0 glob+1 VAL [arg={0:0}, glob=3, mutex1={1:0}, mutex2={2:0}] [L697] 0 glob=glob+1 VAL [arg={0:0}, glob=4, mutex1={1:0}, mutex2={2:0}] [L699] 0 return 0; VAL [\result=0, arg={0:0}, glob=4, mutex1={1:0}, mutex2={2:0}] [L683] RET 0 callback() [L681] 0 i++ VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=4, i=4, mutex1={1:0}, mutex2={2:0}] [L681] COND TRUE 0 i < 10 VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=4, i=4, mutex1={1:0}, mutex2={2:0}] [L682] COND TRUE 0 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, arg={0:0}, callback={-1:1}, callback={-1:1}, glob=4, i=4, mutex1={1:0}, mutex2={2:0}] [L683] CALL 0 callback() [L697] EXPR 0 glob+1 VAL [arg={0:0}, glob=4, mutex1={1:0}, mutex2={2:0}] [L697] 0 glob=glob+1 VAL [arg={0:0}, glob=5, mutex1={1:0}, mutex2={2:0}] [L699] 0 return 0; VAL [\result=0, arg={0:0}, glob=5, mutex1={1:0}, mutex2={2:0}] [L683] RET 0 callback() [L681] 0 i++ VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=5, i=5, mutex1={1:0}, mutex2={2:0}] [L681] COND TRUE 0 i < 10 VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=5, i=5, mutex1={1:0}, mutex2={2:0}] [L682] COND TRUE 0 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, arg={0:0}, callback={-1:1}, callback={-1:1}, glob=5, i=5, mutex1={1:0}, mutex2={2:0}] [L683] CALL 0 callback() [L697] EXPR 0 glob+1 VAL [arg={0:0}, glob=5, mutex1={1:0}, mutex2={2:0}] [L697] 0 glob=glob+1 VAL [arg={0:0}, glob=6, mutex1={1:0}, mutex2={2:0}] [L699] 0 return 0; VAL [\result=0, arg={0:0}, glob=6, mutex1={1:0}, mutex2={2:0}] [L683] RET 0 callback() [L681] 0 i++ VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=6, i=6, mutex1={1:0}, mutex2={2:0}] [L681] COND TRUE 0 i < 10 VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=6, i=6, mutex1={1:0}, mutex2={2:0}] [L682] COND TRUE 0 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, arg={0:0}, callback={-1:1}, callback={-1:1}, glob=6, i=6, mutex1={1:0}, mutex2={2:0}] [L683] CALL 0 callback() [L697] EXPR 0 glob+1 VAL [arg={0:0}, glob=6, mutex1={1:0}, mutex2={2:0}] [L697] 0 glob=glob+1 VAL [arg={0:0}, glob=7, mutex1={1:0}, mutex2={2:0}] [L699] 0 return 0; VAL [\result=0, arg={0:0}, glob=7, mutex1={1:0}, mutex2={2:0}] [L683] RET 0 callback() [L681] 0 i++ VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=7, i=7, mutex1={1:0}, mutex2={2:0}] [L681] COND TRUE 0 i < 10 VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=7, i=7, mutex1={1:0}, mutex2={2:0}] [L682] COND TRUE 0 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, arg={0:0}, callback={-1:1}, callback={-1:1}, glob=7, i=7, mutex1={1:0}, mutex2={2:0}] [L683] CALL 0 callback() [L697] EXPR 0 glob+1 VAL [arg={0:0}, glob=7, mutex1={1:0}, mutex2={2:0}] [L697] 0 glob=glob+1 VAL [arg={0:0}, glob=8, mutex1={1:0}, mutex2={2:0}] [L699] 0 return 0; VAL [\result=0, arg={0:0}, glob=8, mutex1={1:0}, mutex2={2:0}] [L683] RET 0 callback() [L681] 0 i++ VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=8, i=8, mutex1={1:0}, mutex2={2:0}] [L681] COND TRUE 0 i < 10 VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=8, i=8, mutex1={1:0}, mutex2={2:0}] [L682] COND TRUE 0 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, arg={0:0}, callback={-1:1}, callback={-1:1}, glob=8, i=8, mutex1={1:0}, mutex2={2:0}] [L683] CALL 0 callback() [L697] EXPR 0 glob+1 VAL [arg={0:0}, glob=8, mutex1={1:0}, mutex2={2:0}] [L697] 0 glob=glob+1 VAL [arg={0:0}, glob=9, mutex1={1:0}, mutex2={2:0}] [L699] 0 return 0; VAL [\result=0, arg={0:0}, glob=9, mutex1={1:0}, mutex2={2:0}] [L683] RET 0 callback() [L681] 0 i++ VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=9, i=9, mutex1={1:0}, mutex2={2:0}] [L681] COND TRUE 0 i < 10 VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=9, i=9, mutex1={1:0}, mutex2={2:0}] [L682] COND TRUE 0 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, arg={0:0}, callback={-1:1}, callback={-1:1}, glob=9, i=9, mutex1={1:0}, mutex2={2:0}] [L683] CALL 0 callback() [L697] EXPR 0 glob+1 VAL [arg={0:0}, glob=9, mutex1={1:0}, mutex2={2:0}] [L697] 0 glob=glob+1 VAL [arg={0:0}, glob=10, glob=glob+1=34, mutex1={1:0}, mutex2={2:0}] [L691] 1 glob+1 VAL [arg={0:0}, arg={0:0}, glob=10, mutex1={1:0}, mutex2={2:0}] [L697] 0 glob=glob+1 VAL [arg={0:0}, arg={0:0}, glob=10, glob=glob+1=34, mutex1={1:0}, mutex2={2:0}] Now there is a data race on ~glob~0 between C: glob+1 [691] and C: glob=glob+1 [697] - UnprovableResult [Line: 705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 122 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 18.0s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 12.8s InterpolantComputationTime, 6696 NumberOfCodeBlocks, 6594 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 6397 ConstructedInterpolants, 0 QuantifiedInterpolants, 13265 SizeOfPredicates, 22 NumberOfNonLiveVariables, 5297 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 214025/216728 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-03-04 04:45:34,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-03-04 04:45:35,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...